CN101871520B - Multi-speed transmission - Google Patents

Multi-speed transmission Download PDF

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Publication number
CN101871520B
CN101871520B CN201010120206.XA CN201010120206A CN101871520B CN 101871520 B CN101871520 B CN 101871520B CN 201010120206 A CN201010120206 A CN 201010120206A CN 101871520 B CN101871520 B CN 101871520B
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CN
China
Prior art keywords
planetary gear
torque transmitter
gear train
component
planet gear
Prior art date
Application number
CN201010120206.XA
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Chinese (zh)
Other versions
CN101871520A (en
Inventor
A·W·菲利普斯
S·H·维特科普
J·M·哈特
C·E·凯里
Original Assignee
通用汽车环球科技运作公司
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Publication date
Priority to US12/371,120 priority Critical patent/US8033948B2/en
Priority to US12/371120 priority
Application filed by 通用汽车环球科技运作公司 filed Critical 通用汽车环球科技运作公司
Publication of CN101871520A publication Critical patent/CN101871520A/en
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Publication of CN101871520B publication Critical patent/CN101871520B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62Gearings having three or more central gears
    • F16H3/66Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/003Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0069Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising ten forward speeds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/20Transmissions using gears with orbital motion
    • F16H2200/2002Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2012Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with four sets of orbital gears
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/20Transmissions using gears with orbital motion
    • F16H2200/203Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2046Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with six engaging means

Abstract

A transmission of the present invention has an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes. The torque transmitting devices are selectively engageable in combinations of at least three to establish at least ten forward speed ratios and at least one reverse speed ratio.

Description

Multi-speed transmission

Technical field

Present invention relates in general to have the multi-speed transmission of a plurality of planetary gear set and a plurality of torque transmitters, and relate more specifically to have ten or the speed changer of multiple speed, four planetary gear set and a plurality of torque transmitters more.

Background technique

The content of this part only provides the background information relevant with the present invention, and may or may not can form prior art.

Typical multi-speed transmission is realized a plurality of velocity ratios with the combination of friction clutch or break, planetary gear system and fixed interconnection.The quantity of planetary gear set and physics arrange conventionally by packing, cost and desired speed ratio regulation.

Although when front derailleur is realized its expection object, but to new-type and what improve speed changer configuration need to be in fact continual, described speed changer configuration represents the improved performance angle of efficiency, responsiveness and flatness (especially from) and improved packing (being mainly reduced in size and weight).Therefore, need the multi-speed transmission improved, cost is effective, compact.

Summary of the invention

A kind of speed changer is provided, and described speed changer has input link, output link, four planetary gear set, a plurality of coupling member and a plurality of torque transmitters.Each in described planetary gear set comprises first, second, and third member.Described torque transmitter is for example clutch and break.

In one aspect of the invention, provide a kind of speed changer, described speed changer has input link, output link, first, second, third and fourth planet gear train.Each in described planetary gear set has sun gear, carrier member and gear ring.The planet carrier of described input link and third planet gear train interconnects continuously.The gear ring of the carrier member of described output link and the first planetary gear set and the second planetary gear set interconnects continuously.In addition, the first interconnecting component interconnects the carrier member of the gear ring member of the first planetary gear set and the second planetary gear set continuously, the second interconnecting component interconnects the gear ring member of the sun gear member of the second planetary gear set and third planet gear train continuously, and the 3rd interconnecting component interconnects the gear ring member of the carrier member of the first planetary gear set and the second planetary gear set and described output link continuously.In addition, the first torque transmitter optionally engages with by the carrier member of the carrier member of fourth planet gear train and third planet gear train and at least one interconnection in input link, the second torque transmitter optionally engages that the sun gear member of the sun gear member of third planet gear train and fourth planet gear train is interconnected, the 3rd torque transmitter optionally engages that the gear ring member of the sun gear member of the first planetary gear set and fourth planet gear train is interconnected, the 4th torque transmitter optionally engages that the carrier member of the carrier member of the gear ring member of the first planetary gear set and the second planetary gear set and fourth planet gear train is interconnected, the 5th torque transmitter optionally engages that the sun gear member of fourth planet gear train and fixed component are interconnected, the 6th torque transmitter optionally engages that the gear ring member of fourth planet gear train and fixed component are interconnected.Described torque transmitter optionally engages with the combining form of at least four, to set up at least ten forward velocity ratios and at least one reverse speed ratio between described input link and described output link.

Thereby, the object of this invention is to provide the speed changer with four planetary gear set.

Another object of the present invention is to provide the speed changer with ten forward velocity and at least one reverse speed.

Another object of the present invention is to provide the speed changer with four planetary gear set, a plurality of coupling member and a plurality of torque transmitters.

, comprising:

Input link;

Output link;

First, second, third and the fourth planet gear train respectively with first, second, and third member;

The first interconnecting component, described the first interconnecting component interconnects described first member of described the first planetary gear set and the described second component of described the second planetary gear set continuously;

The second interconnecting component, described the second interconnecting component interconnects described first member of described the second planetary gear set and the described second component of described third planet gear train continuously;

The 3rd interconnecting component, described the 3rd interconnecting component interconnects described the 3rd member and the described output link of the described second component of described the first planetary gear set and described the second planetary gear set continuously; With

Six torque transmitters, described torque transmitter optionally engage with by one in described first, second, and third member with described first, second, third member and fixed component at least another interconnection, and

Wherein, described torque transmitter optionally engages with the combining form of at least four, to set up at least ten forward velocity ratios and at least one reverse speed ratio between described input link and described output link.

Wherein, first in described six torque transmitters optionally engages with by least one interconnection in the 3rd member of the second component of described fourth planet gear train and described third planet gear train and described input link.

Wherein, second in described six torque transmitters optionally engages that the first member of the first member of described third planet gear train and described fourth planet gear train is interconnected.

Wherein, the 3rd in described six torque transmitters optionally engages that the 3rd member of the 3rd member of the first planetary gear set and described fourth planet gear train is interconnected.

Wherein, the 4th in described six torque transmitters optionally engages that the second component of the second component of the first member of described the first planetary gear set and described the second planetary gear set and described fourth planet gear train is interconnected.

Wherein, the 5th in described six torque transmitters optionally engages that the first member of described fourth planet gear train and described fixed component are interconnected.

Wherein, the 6th in described six torque transmitters optionally engages that the 3rd member of described fourth planet gear train and described fixed component are interconnected.

Wherein, the 3rd member of the first planetary gear set, the first member of the second planetary gear set, the first member of third planet gear train and the first member of fourth planet gear train are sun gears, the second component of the first planetary gear set, the second component of the second planetary gear set, the 3rd member of third planet gear train and the second component of fourth planet gear train are carrier member, the first member of the first planetary gear set, the 3rd member of the second planetary gear set, the 3rd member of the second component of third planet gear train and fourth planet gear train is gear ring.

Wherein, the 3rd member of described input link and third planet gear train interconnects continuously, and the 3rd member of the second component of described output link and the first planetary gear set and the second planetary gear set interconnects continuously.

Wherein, two in described six torque transmitters is break, and four in described six torque transmitters is clutch.

Wherein, described fixed component is case of transmission.

, comprising:

Input link;

Output link;

First, second, third and the fourth planet gear train respectively with first, second, and third member, wherein, the 3rd member of described input link and third planet gear train interconnects continuously, and the 3rd member of the second component of described output link and the first planetary gear set and the second planetary gear set interconnects continuously;

The first interconnecting component, described the first interconnecting component interconnects described first member of described the first planetary gear set and the described second component of described the second planetary gear set continuously;

The second interconnecting component, described the second interconnecting component interconnects described first member of described the second planetary gear set and the described second component of described third planet gear train continuously;

The 3rd interconnecting component, described the 3rd interconnecting component interconnects described the 3rd member and the described output link of the described second component of described the first planetary gear set and described the second planetary gear set continuously; With

The first torque transmitter, described the first torque transmitter optionally engages with by least one interconnection in the 3rd member of the second component of described fourth planet gear train and described third planet gear train and described input link;

The second torque transmitter, described the second torque transmitter optionally engages that the first member of the first member of described third planet gear train and described fourth planet gear train is interconnected;

The 3rd torque transmitter, described the 3rd torque transmitter optionally engages that the 3rd member of the 3rd member of the first planetary gear set and described fourth planet gear train is interconnected;

The 4th torque transmitter, described the 4th torque transmitter optionally engages that the second component of the second component of the first member of described the first planetary gear set and described the second planetary gear set and described fourth planet gear train is interconnected;

The 5th torque transmitter, described the 5th torque transmitter optionally engages that the first member of described fourth planet gear train and fixed component are interconnected; And

The 6th torque transmitter, described the 6th torque transmitter optionally engages that the 3rd member of described fourth planet gear train and described fixed component are interconnected; And

Wherein, described torque transmitter optionally engages with the combining form of at least four, to set up at least ten forward velocity ratios and at least one reverse speed ratio between described input link and described output link.

Wherein, the 3rd member of the first planetary gear set, the first member of the second planetary gear set, the first member of third planet gear train and the first member of fourth planet gear train are sun gears, the second component of the first planetary gear set, the second component of the second planetary gear set, the 3rd member of third planet gear train and the second component of fourth planet gear train are carrier member, the first member of the first planetary gear set, the 3rd member of the second planetary gear set, the 3rd member of the second component of third planet gear train and fourth planet gear train is gear ring.

Wherein, described fixed component is case of transmission.

, comprising:

Input link;

Output link;

First, second, third and the fourth planet gear train respectively with sun gear member, carrier member and gear ring member, wherein, the carrier member of described input link and third planet gear train interconnects continuously, and the carrier member of described output link and the first planetary gear set and the gear ring member of the second planetary gear set interconnect continuously;

The first interconnecting component, described the first interconnecting component interconnects the described gear ring member of described the first planetary gear set and the described carrier member of described the second planetary gear set continuously;

The second interconnecting component, described the second interconnecting component interconnects the described gear ring member of the described sun gear member of described the second planetary gear set and described third planet gear train continuously;

The 3rd interconnecting component, described the 3rd interconnecting component interconnects described gear ring member and the described output link of the described carrier member of described the first planetary gear set and described the second planetary gear set continuously; With

The first torque transmitter, described the first torque transmitter optionally engages with by least one interconnection in the carrier member of the carrier member of described fourth planet gear train and described third planet gear train and described input link;

The second torque transmitter, described the second torque transmitter optionally engages that the sun gear member of the sun gear member of described third planet gear train and described fourth planet gear train is interconnected;

The 3rd torque transmitter, described the 3rd torque transmitter optionally engages that the gear ring member of the sun gear member of the first planetary gear set and described fourth planet gear train is interconnected;

The 4th torque transmitter, described the 4th torque transmitter optionally engages that the carrier member of the carrier member of the gear ring member of described the first planetary gear set and described the second planetary gear set and described fourth planet gear train is interconnected;

The 5th torque transmitter, described the 5th torque transmitter optionally engages that the sun gear member of described fourth planet gear train and fixed component are interconnected;

The 6th torque transmitter, described the 6th torque transmitter optionally engages that the gear ring member of described fourth planet gear train and described fixed component are interconnected; And

Wherein, described torque transmitter optionally engages with the combining form of at least four, to set up at least ten forward velocity ratios and at least one reverse speed ratio between described input link and described output link.

Wherein, described fixed component is case of transmission.

Other object of the present invention, aspect and benefit are apparent by reference to aftermentioned explanation and accompanying drawing, and in the accompanying drawings, identical reference character represents same parts, element or feature.

Accompanying drawing explanation

Accompanying drawing as herein described is the object for illustrating only, and does not intend to limit the scope of the invention by any way.

Fig. 1 is according to 10-speed transmission of the present invention embodiment's lever diagram;

Fig. 2 is according to 10-speed transmission of the present invention embodiment's schematic diagram; With

Fig. 3 show the speed changer shown in Fig. 1 and 2 available advance and each of reverse speed or velocity ratio in the truth table of jointing state of various moment of torsion transmitting elements.

Embodiment

In following illustrative in nature only for exemplary and be not intended to limit absolutely the present invention, application or use.

First, should be understood that, in provided concrete example, ten gear transmissions of the present invention have permanent mechanical connection setting between the element of four planetary gear set.The first component of the first planetary gear set or element are permanently connected to second component or the element of the second planetary gear set.The second component of the first planetary gear set or element are permanently connected to the 3rd parts or element of the second planetary gear set.Finally, the first component of the second planetary gear set or element are permanently connected to second component or the element of third planet gear train.

With reference now to Fig. 1,, with lever diagram form, show the embodiment of 10-speed transmission 10.Lever diagram is the schematic diagram of the parts of mechanical device (as automatic transmission).Each independently lever represent planetary gear set, wherein three of planetary gear set basic mechanical parts represent by node.Thereby single lever comprises three nodes: one for sun gear, one for planetary pinion planet carrier, and one for gear ring.Relative length between the node of each lever can be for representing gear ring-sun gear ratio of each respective teeth wheels.Then the velocity ratio that, these lever ratios are used for changing speed changer is to realize suitable ratio and to compare progression.Mechanical links between the node of each planetary gear set or cross tie part are represented by thin horizontal line, and torque transmitter (for example clutch and break) is expressed as the finger-type thing interweaving.If device is break, one group of finger-type thing is by affixed so.The further elaboration of the form of lever diagram, object and use is found in the SAE paper 810102 " The Lever Analogy:A New Toolin Transmission Analysis " of Benford and Leising, and this paper is all introduced as a reference.

Speed changer 10 comprises: input shaft or member 12; The first planetary gear set 14, described the first planetary gear set 14 has three nodes: first node 14A, Section Point 14B and the 3rd node 14C; The second planetary gear set 16, described the second planetary gear set 16 has three nodes: first node 16A, Section Point 16B and the 3rd node 16C; Third planet gear train 18, described third planet gear train 18 has three nodes: first node 18A, Section Point 18B and the 3rd node 18C; Fourth planet gear train 20, described fourth planet gear train 20 has three nodes: first node 20A, Section Point 20B and the 3rd node 20C; And output shaft or member 22.

Input link 12 is connected to the 3rd node 18C of third planet gear train 18.Output link 22 is connected to the Section Point 14B of the first planetary gear set 14.The first node 14A of the first planetary gear set 14 is connected to the Section Point 16B of the second planetary gear set 16.The Section Point 14B of the first planetary gear set 14 is connected to the 3rd node 16C of the second planetary gear set 16.The first node 16A of the second planetary gear set 16 is connected to the Section Point 18B of the second planetary gear set 18.

First clutch 26 is optionally connected the 3rd node 18C of third planet gear train 18 with the Section Point 20B of fourth planet gear train 20.Second clutch 28 is optionally connected the first node 18A of third planet gear train 18 with the first node 20A of fourth planet gear train 20.The 3rd clutch 30 is optionally connected the 3rd node 14C of the first planetary gear set 14 with the 3rd node 20C of fourth planet gear train 20.Four clutches 32 is optionally connected the Section Point 16B of the second planetary gear set 16 with the Section Point 20B of fourth planet gear train 20.The first break 34 is optionally connected the first node 20A of fourth planet gear train 20 with fixed element or case of transmission 50.Second brake 36 is optionally connected the 3rd node 20C of fourth planet gear train 20 with fixed element or case of transmission 50.

With reference now to Fig. 2,, bar chart shows according to the embodiment's of 10-speed transmission 10 of the present invention diagrammatic layout.In Fig. 2, the reference character of the lever diagram of Fig. 1 continues applicable.Clutch, break and coupling are correspondingly illustrated, and the node of planetary gear set is now revealed as the parts of planetary gear set, for example sun gear, gear ring, planetary pinion and planetary pinion planet carrier.

For example, planetary gear set 14 comprises sun gear member 14C, gear ring member 14A and planetary pinion carrier member 14B, and planetary pinion carrier member 14B rotatably supports one group of planetary pinion 14D (one of them is only shown).Each in planetary pinion 14D is all configured to intermesh with sun gear member 14C and gear ring member 14A.Sun gear member 14C is connected with the first axle or interconnecting component 42 so that rotation jointly.Gear ring member 14A is connected with the second axle or interconnecting component 44 so that rotation jointly.Carrier member 14B is connected with output link 22 so that rotation jointly.

Planetary gear set 16 comprises sun gear member 16A, gear ring member 16C and planetary pinion carrier member 16B, and planetary pinion carrier member 16B rotatably supports one group of planetary pinion 16D (one of them is only shown).Each in planetary pinion 16D is all configured to intermesh with sun gear member 16A and gear ring member 16C.Sun gear member 16A is connected with the 3rd axle or interconnecting component 46 so that rotation jointly.Gear ring member 16C is connected with output shaft 22 so that rotation jointly.Carrier member 16B is connected with the second axle or interconnecting component 44 so that rotation jointly.

Planetary gear set 18 comprises sun gear member 18A, gear ring member 18B and planetary pinion carrier member 18C, and planetary pinion carrier member 18C rotatably supports first group of planetary pinion 18D (one of them is only shown) and two groups of epicyclic gears 18E (one of them is only shown).Each in first group of planetary pinion 18D is all configured to intermesh with sun gear member 18A and two groups of epicyclic gears 18E.Two groups of epicyclic gears 18E is configured to intermesh with gear ring member 18B and first group of planetary pinion 18D.Sun gear member 18A is connected with the 4th axle or interconnecting component 48 so that rotation jointly.Gear ring member 18B is connected with the 3rd axle or interconnecting component 46 so that rotation jointly.Carrier member 18C is connected with input shaft or member 12 and is connected with the 5th axle or interconnecting component 52 so that rotation jointly.

Planetary gear set 20 comprises sun gear member 20A, gear ring member 20C and planetary pinion carrier member 20B, and planetary pinion carrier member 20B rotatably supports one group of planetary pinion 20D (one of them is only shown).Each in this group planetary pinion 20D is all configured to intermesh with sun gear member 20A and gear ring member 20C.Sun gear member 20A and the 6th axle or interconnecting component 54 is connected and be connected with the 7th axle or interconnecting component 56 so that rotation jointly.Gear ring member 20C is connected with the 8th axle or interconnecting component 58 so that rotation jointly.Carrier member 20B is connected with the 9th axle or interconnecting component 60 so that rotation jointly.

Input shaft or member 12 are connected to the turbo machine (not shown) of motor (not shown) or torque-converters continuously.Output shaft or member 22 are connected continuously with final gear unit or transfer case (not shown).

Torque-transmitting mechanisms (or, clutch 26,28,30 and 32 and break 34 and 36) allow axle or interconnecting component, the member of planetary gear set and the interconnection of the selectivity of housing.For example, first clutch 26 optionally engages that the 5th axle or interconnecting component 52 are connected with the 9th axle or interconnecting component 60.Second clutch 28 optionally engages that the 4th axle or interconnecting component 48 are connected with the 7th axle or interconnecting component 56.The 3rd clutch 30 optionally engages that the first axle or interconnecting component 42 are connected with the 8th axle or interconnecting component 58.Four clutches 32 optionally engages that the second axle or interconnecting component 44 are connected with the 9th axle or interconnecting component 60.The first break 34 optionally engages that the 6th axle or interconnecting component 54 are connected with fixed element or case of transmission 50 with sun gear 20A, to prevent that the 6th axle or interconnecting component 54 and sun gear 20A are with respect to case of transmission 50 rotations.Second brake 36 optionally engages that the 8th axle or interconnecting component 58 are connected with fixed element or case of transmission 50 with gear ring member 20C, to prevent that the 8th axle or interconnecting component 58 and gear ring member 20C are with respect to case of transmission 50 rotations.

With reference now to Fig. 2 and 3,, will the embodiment's of 10-speed transmission 10 operation be described.Should be understood that, speed changer 10 can be transferred to output shaft or member 22 with at least one reverse speed or torque ratio from input shaft or member 12 with at least ten forward velocity or torque ratio by moment of torsion, wherein has four overdrive shelves.Each advances and passes through engage torque transfer mechanism (with reverse speed or torque ratio, first clutch 26, second clutch 28, the 3rd clutch 30, four clutches 32, the first break 34 and second brake 36) in one or more and obtain, as below set forth.Fig. 3 shows the truth table of the various combinations of the moment of torsion transmitting element of being reinstated or engage to realize various range states.The actual numerical value velocity ratio of various range states is also shown, but should be understood that, these numerical value are only exemplary and they can regulate to be applicable to various application and the operation standard of speed changer 10 in large scope.Can use the example of the velocity ratio of embodiments of the invention acquisition also at Fig. 3, to illustrate.Certainly, depend on gear diameter, the gear number of teeth and the gear arrangement of selection, can realize other velocity ratio.

In order to set up reverse gear, engage or reinstate second clutch 28, four clutches 32, the first break 34 and second brake 36.Second clutch 28 is connected the 4th axle or interconnecting component 48 with the 7th axle or interconnecting component 56.Four clutches 32 is connected the second axle or interconnecting component 44 with the 9th axle or interconnecting component 60.The first break 34 is connected with sun gear 20A the 6th axle or interconnecting component 54 with fixed element or case of transmission 50, to prevent that the 6th axle or interconnecting component 54 and sun gear 20A are with respect to case of transmission 50 rotations.Second brake 36 is connected with gear ring member 20C the 8th axle or interconnecting component 58 with fixed element or case of transmission 50, to prevent that the 8th axle or interconnecting component 58 and gear ring member 20C are with respect to case of transmission 50 rotations.Similarly, the various combination engaging by clutch and break is realized ten ratios that advance, as shown in Figure 3.

Should be understood that, the aforementioned elaboration hypothesis of the operation of 10-speed transmission 10 and range state, first, all clutches of specifically not mentioning at given range state and break be invalid or disengaging all, secondly, during the gear shift between at least adjacent range state, (that is, change range state), the clutch that all engages or reinstate at two range states or break engage maintenance or reinstate.

The modification that is only exemplary in illustrative in nature of the present invention and does not depart from essence of the present invention is intended to comprise within the scope of the invention.This modification is considered to without departing from the spirit and scope of the present invention.

Claims (4)

1. a speed changer, comprising:
Input link;
Output link;
First, second, third and the fourth planet gear train respectively with first, second, and third member, wherein, the 3rd member of described input link and third planet gear train interconnects continuously, and the 3rd member of the second component of described output link and the first planetary gear set and the second planetary gear set interconnects continuously;
The first interconnecting component, described the first interconnecting component interconnects described first member of described the first planetary gear set and the described second component of described the second planetary gear set continuously;
The second interconnecting component, described the second interconnecting component interconnects described first member of described the second planetary gear set and the described second component of described third planet gear train continuously;
The 3rd interconnecting component, described the 3rd interconnecting component interconnects described the 3rd member and the described output link of the described second component of described the first planetary gear set and described the second planetary gear set continuously; With
The first torque transmitter, described the first torque transmitter optionally engages that the 3rd member of the second component of described fourth planet gear train and described third planet gear train and described input link are interconnected;
The second torque transmitter, described the second torque transmitter optionally engages that the first member of the first member of described third planet gear train and described fourth planet gear train is interconnected;
The 3rd torque transmitter, described the 3rd torque transmitter optionally engages that the 3rd member of the 3rd member of the first planetary gear set and described fourth planet gear train is interconnected;
The 4th torque transmitter, described the 4th torque transmitter optionally engages that the second component of the second component of the first member of described the first planetary gear set and described the second planetary gear set and described fourth planet gear train is interconnected;
The 5th torque transmitter, described the 5th torque transmitter optionally engages that the first member of described fourth planet gear train and fixed component are interconnected; And
The 6th torque transmitter, described the 6th torque transmitter optionally engages that the 3rd member of described fourth planet gear train and described fixed component are interconnected; And
Wherein, described torque transmitter optionally engages with the combining form of at least four, to set up at least ten forward velocity ratios and at least one reverse speed ratio between described input link and described output link.
2. speed changer according to claim 1, wherein, described fixed component is case of transmission.
3. a speed changer, comprising:
Input link;
Output link;
First, second, third and the fourth planet gear train respectively with sun gear member, carrier member and gear ring member, wherein, the carrier member of described input link and third planet gear train interconnects continuously, and the carrier member of described output link and the first planetary gear set and the gear ring member of the second planetary gear set interconnect continuously;
The first interconnecting component, described the first interconnecting component interconnects the described gear ring member of described the first planetary gear set and the described carrier member of described the second planetary gear set continuously;
The second interconnecting component, described the second interconnecting component interconnects the described gear ring member of the described sun gear member of described the second planetary gear set and described third planet gear train continuously;
The 3rd interconnecting component, described the 3rd interconnecting component interconnects described gear ring member and the described output link of the described carrier member of described the first planetary gear set and described the second planetary gear set continuously; With
The first torque transmitter, described the first torque transmitter optionally engages that the carrier member of the carrier member of described fourth planet gear train and described third planet gear train and described input link are interconnected;
The second torque transmitter, described the second torque transmitter optionally engages that the sun gear member of the sun gear member of described third planet gear train and described fourth planet gear train is interconnected;
The 3rd torque transmitter, described the 3rd torque transmitter optionally engages that the gear ring member of the sun gear member of the first planetary gear set and described fourth planet gear train is interconnected;
The 4th torque transmitter, described the 4th torque transmitter optionally engages that the carrier member of the carrier member of the gear ring member of described the first planetary gear set and described the second planetary gear set and described fourth planet gear train is interconnected;
The 5th torque transmitter, described the 5th torque transmitter optionally engages that the sun gear member of described fourth planet gear train and fixed component are interconnected;
The 6th torque transmitter, described the 6th torque transmitter optionally engages that the gear ring member of described fourth planet gear train and described fixed component are interconnected; And
Wherein, described torque transmitter optionally engages with the combining form of at least four, to set up at least ten forward velocity ratios and at least one reverse speed ratio between described input link and described output link.
4. speed changer according to claim 3, wherein, described fixed component is case of transmission.
CN201010120206.XA 2009-02-13 2010-02-12 Multi-speed transmission CN101871520B (en)

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US12/371,120 US8033948B2 (en) 2009-02-13 2009-02-13 Multi-speed transmission
US12/371120 2009-02-13

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CN101871520A CN101871520A (en) 2010-10-27
CN101871520B true CN101871520B (en) 2014-01-29

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